The world has been experiencing many changes recently.

                   시제조심(현재완료진행형) : 과거에 시작된 일이 현재까지 진행되고 있음

The international community has become closer.』

Many people refer to the world as the Global Village.

         refer to ⓐ as ⓑ : ⓐ를 ⓑ로 부르다                   (   )넣기 조심

In this new environment, there are hopes for more cooperation

                                           V     S : 주어가 명사일 때는 V+S로 도치

with one another. ⇒ 서로서로(3인 이상) / each other(2인 사이)

  Korea is among the many nations working to promote the

                                          (which are) 생략      to부정사의 부사적용법

                                                                 (목적: ~하기; 위하여) 

development of its neighbors.

Korea had received international help over past years.

          시제조심(과거완료) : 일정한 과거시점 전에 일어난 일을 표현